Pixie Carlton is a pre-made deceased Sim who once lived in Twinbrook. She died of electrocution before completing her lifetime wish.

Her urn can be found in the home of the Racket family on top of a drawer in the living room, which led some players to speculate that Pixie was in fact murdered by the Rackets (who are criminals). While murder is not possible in normal gameplay, it may have been intended to be a storyline. It is unknown what the Rackets may have had against Pixie. However, this speculation remains unconfirmed.

There is speculation that she is related to Sofia Carlton, as Pixie and Sofia are the only Carltons known to exist in town. In addition, they share the Great Kisser, Schmoozer, and Snob traits, as well as a fondness for pop music. While is it not explicitly stated that they are related, it is certainly plausible for players to view them as related. It is possible that Sofia inherited her fortune from Pixie, and Pixie was subsequently killed by the Rackets in an attempt to secure the fortune and prevent Sofia from obtaining it.

Like every deceased Sim of Twinbrook, she has pale green skin, grey hair and bare feet.